Product Name: Mini Bluetooth Audio Receiver
1Mii B06Mini Bluetooth-compatible Audio Receiver aptX LL 3D 12hrs Battery 2RCA 3.5mm AUX BT Receiver Adapter for Car Home Stereo
Product name: Bluetooth HiFi Receiver（ APTXLL）
Wireless Mode/Chip: Bluetooth 5.0/QCC3005
Complies with: A2DP/AVRCP/HFP/HSP/GAIA/SBC/AAC/APTX/APTX-LL
Audio interface: 3.5mm AUX out & RCA out
Battery: built-in 210maH lithium battery
Working distance: Up to 164ft (50m) in open air and up to 50-70ft (20- 30m) indoors.